3 8 Bolt Torque Inch Pounds

30 to 250 in.

3 8 bolt torque inch pounds.

Coarse fine coarse fine coarse fine coarse fine coarse fine coarse fine 4 5 2 4 8 4 3. The inclusion of the dial needle for setting the torque makes it almost as good as a 3 8 digital torque wrench. As you fasten your bolts you can see the torque readings moving on the dial. Dual scale measurement adjustments in both inch pound and newton meter.

Lbs nm to convert into multiply by torque conversion factors inch pounds foot pounds 0 0835 inch pounds newton meters 0 1130 inch pounds kg meters 0 0115 inch pounds kg centimeters 1 1519 foot pounds inch pounds 12 000 foot pounds newton meters 1 3560 foot pounds kg meters 0 1382 foot pounds kg centimeters 13 8240. Audible click is generated when you ve reached the desired torque setting. The torque range is 0 to 300 inch pound and this is marked on the dial. The top is the more generally useful 3 8 inch drive model with a torque range high enough to do prop bolts.

All other torque values are in foot pounds. If you are looking for a tested and proven 3 8 torque wrench you have found it here. Torque conversion ft. Torque has been converted into ft lbs by dividing the result of the formula by 12 all calculations are for coarse thread series unc.

Torque values for 1 4 and 5 16 in series are in inch pounds. These figures represent an estimate of torque torque being the measurement of friction not tension required to induce given preload clamp load in a bolt. It is measured in foot pounds inch pounds or newton meters. Internal torque mechanism is manufactured of high grade spring steel.

Torque is a twisting or rotational force about an axis such as the length of a bolt. Bolt torque specs in foot pounds or inch pounds size thread grade 5 grade 8 grade astm a574 class tensile torque reference chart metric iso 898 inch sae j429 note. We have also found various forms of customer applied thread lockers to have a similar k value. Tightening torque guide for grade 5 8 hex cap screws this table is based on ifi 5th edition technical data n 12 n 16 using equation 1 and a torque coefficient k 0 20 for non plated steel fasteners and k 0 15 for plated fasteners.

Grade 2 calculations only cover fasteners 1 4 3 4 in diameter up to 6 long. For longer fasteners the torque is reduced significantly. 3 8 inch drive range. Lbs tightening torque clamp load lbs tightening torque min max min max min max min max coarse thread series 1 4 20 2864 93 1 in lbs 144 in lbs 3357 100 7 in lbs 134 3 in lbs 2029 76 1 in lbs 96 4 in lbs 2864 107 4 in lbs 136 in lbs 5 16 18 4719 192 251 5531 207 277 3342 157 198 4719 221 280 3 8 16 6974 28 3 ft lbs 37 ft lbs 8174 30 7 ft.

The center wrench is a clicking type 1 4 inch drive. These charts are provided as a reference only. Always refer to vehicle manufactures recommended torque setting for the specific application.